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16 votes
If 2x + 7 = 17, what is the value of 8x + 25?

2 Answers

8 votes

Answer:

2x + 7 = 17

- 7

2x = 10

÷2

x = 5

8x5=40

40+25=65

8x + 25 = 65

Hope this helps!

User Mattb
by
3.5k points
9 votes

Answer:

65

Explanation:

given:

  • 2x + 7 = 17
  • 8x + 25

make x the subject:

2x + 7 = 17

2x = 17 - 7

2x = 10

x = 5

Then apply elimination rule:

8x + 25

8(5) + 25

40 + 25

65

User Hofstra
by
3.4k points